Finding the Fourth Proportional to 252,199.23, 348,035.42 and 137,478.81
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Solution
The fourth proportional to 252,199.23, 348,035.42 and 137,478.81 is: 189,721.02
Step by Step Solution
- Step 1: Write the proportion equation
252,199.23 : 348,035.42 = 137,478.81 : x - Step 2: Convert to fraction form
252,199.23/348,035.42 = 137,478.81/x - Step 3: Cross multiply
252,199.23x = 348,035.42 × 137,478.81 - Step 4: Simplify right side
252,199.23x = 47,847,494,692.06 - Step 5: Solve for x
x = 47,847,494,692.06/252,199.23 - Step 6: Final answer
x = 189,721.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.